Andrii

Hi, i’m Ukraine, Chernivtsi

Andrii Bilyk Phone: [open contact info](look above in the "contact info" section) | Tg: @ghhhfgg | Email: [open contact info](look above in the "contact info" section)

Technology stack Experience

PHP (Laravel (main), Symfony, Software Engineer - Your R&D (remote) - Jun 2024 - Sep 2026
Yii2, WP) Architected and evolved production backend systems across Laravel, Yii2
and Symfony, covering multi-tenant SaaS, advertising technology,
Golang (Gin, Go-Zero) mobility, fintech and e-commerce domains.
Owned end-to-end backend development of a multi-tenant advertising
JavaScript (Node.js, Express.js, automation platform, including campaign workflows, analytics ingestion
Vue.js, React) and integrations with Keitaro and third-party advertising services.
Designed scalable REST API and Webhook architectures, separating
PostgreSQL, Redis external integrations from core business logic and ensuring reliable
asynchronous processing.
RabbitMQ. Built queue-driven pipelines with RabbitMQ, Redis and background
workers for analytics, high-volume media processing and long-running
Linux, Docker (compose, k8s) operations.
SSL certs, Nginx Designed and optimized an FFmpeg-based media-processing service
and integrated GPT API / RAG workflows into advertising analytics and
GitHub (GitHub Actions, Copilot funnel automation.
IDE integrations) Delivered core functionality for a Yii2 taxi-hailing platform, including
dispatcher workflows, trip and order management, and integrations with
Bolt and Uklon.
jQuery
Developed accounting and lending systems with banking APIs, Zoho
CRM, DDD and modular architecture; extracted external API and
Webhook processing into a lightweight Go/Gin microservice.
Improved application performance and maintainability through MySQL
query and index optimization, production debugging, legacy
refactoring, SOLID principles and clean architectural boundaries.
Contributed across the stack when required, delivering Vue.js interfaces,
Education a drag-and-drop Nextcloud dashboard and custom WordPress/e-
commerce integrations.
Dec 2021 - Dec 2023
Full-Stack Developer - GabSoft (Chernivtsi) - Jun 2023 - Mar 2024
Master’s degree, Computer Developed a B2B logistics platform using Laravel, Vue.js, JavaScript.
Science - Chernivtsi National
Built Vue.js SPA components, reactive interfaces, AJAX/Fetch
University integrations and adaptive UI.
Developed an e-commerce fraud-risk platform using event-driven
architecture, DTOs and modular backend services.
Language Designed REST API endpoints, external integrations, admin functionality,
invoicing and address-book modules.
English (B2)
Worked with SQL query optimization, database indexes and
Ukrainian (Native) transactions.
Used Grafana and Prometheus for troubleshooting application services.
Developed a SaaS website builder with WYSIWYG / drag-and-drop
functionality, HTML generation and automated deployment.

WordPress Developer - Freelance (Remote) - Mar 2021 - May 2022
Developed custom PHP/JavaScript websites and e-commerce solutions
using WordPress, WooCommerce and ACF.
Built custom themes, SPA-like interfaces and REST API integrations.
Worked with technical SEO, structured markup and performance
optimization.

Achievements
All Ukrainian students scientific competition (2 place) - trading
system based on LSTM algorithm, which make correction for crypto
trading actions (based on MA\EMA indicator).